20792478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 50434560

約数和(自身を除く): 29642082

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 43, 58, 86, 87, 129, 174, 203, 258, 301, 397, 406, 602, 609, 794, 903, 1191, 1218, 1247, 1806, 2382, 2494, 2779, 3741, 5558, 7482, 8337, 8729, 11513, 16674, 17071, 17458, 23026, 26187, 34142, 34539, 51213, 52374, 69078, 80591, 102426, 119497, 161182, 238994, 241773, 358491, 483546, 495059, 716982, 990118, 1485177, 2970354, 3465413, 6930826, 10396239, 20792478]

約数ペア:

[(1, 20792478), (2, 10396239), (3, 6930826), (6, 3465413), (7, 2970354), (14, 1485177), (21, 990118), (29, 716982), (42, 495059), (43, 483546), (58, 358491), (86, 241773), (87, 238994), (129, 161182), (174, 119497), (203, 102426), (258, 80591), (301, 69078), (397, 52374), (406, 51213), (602, 34539), (609, 34142), (794, 26187), (903, 23026), (1191, 17458), (1218, 17071), (1247, 16674), (1806, 11513), (2382, 8729), (2494, 8337), (2779, 7482), (3741, 5558)]